Sigma Plumbing & Heating

Boiler Servicing

Annual boiler servicing by Gas Safe Registered engineers in Milford Haven. Combustion testing, safety checks, cleaning and a clear after‑service report to keep your heating safe and efficient.
Professional Boiler Servicing Across Milford Haven

Professional Boiler Servicing Across Milford Haven

Using calibrated flue gas analysers and manufacturer‑approved parts for Navien, ATAG and Intergas, our Gas Safe engineers perform full boiler services to maintain safety and efficiency. Services include combustion testing, burner and heat‑exchanger cleaning, gas‑tightness and safety checks, plus a clear after‑service report. We cover gas and oil boilers across Milford Haven and nearby villages. Simon gives clear updates and we follow manufacturer schedules to help protect warranties.

Why Choose us for Boiler Servicing?

All engineers are Gas Safe Registered and perform gas‑tightness and combustion tests so your appliance meets safety requirements.

How It Works

1

Arrange a convenient slot

Call or email to book an annual service; we’ll confirm arrival times and any access notes for your property in Milford Haven or nearby villages.

2

Full on‑site service

A Gas Safe engineer uses calibrated flue gas analysers and manufacturer‑approved parts to carry out combustion, safety and cleaning checks.

3

After‑service report & advice

You receive a clear report detailing checks carried out, any faults found and recommended remedial work — plus options for repairs or parts replacement.

Frequently Asked Questions

Find answers to common questions about our services and process.

We recommend an annual service for both gas and oil boilers. Annual servicing keeps systems running efficiently, helps identify small issues before they escalate and is often required to maintain manufacturer warranties.

Book your annual boiler service today

Keep your heating safe and efficient with a Gas Safe service in Milford Haven. Call Simon for fast scheduling and 24/7 emergency support.
Boiler Servicing: Gas Safe Engineers